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    Suly Henry's Avatar
    Suly Henry Posts: 2, Reputation: 1
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    #1

    Feb 23, 2010, 04:26 PM
    7(3n-4)-4(2n+1)=4-2(n-3)+5(3n-6)
    7(3n-4)-4(2n+1)=4-2(n-3)+5(3n-6)
    Suly Henry's Avatar
    Suly Henry Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Feb 23, 2010, 04:27 PM
    7(3n-4)-4(2n 1)=4-2(n-3) 5(3n-6)
    7(3n-4)-4(2n+1)=4-2(n-3)+5(3n-6)
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #3

    Feb 24, 2010, 07:18 AM

    Expand the brackets first.

    Here are examples:

    3(x+2) = 3(x) + 3(+2) = 3x + 6

    3(x-2) = 3(x) + 3(-2) = 3x - 6

    Expand first and post what you get. Then we'll move forward.
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